<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="test"></div>
    <script src="./js/react.development.js" crossorigin></script> 
    <script src="./js/react-dom.development.js" crossorigin></script>
    <script src="./js/babel.min.js"></script>
    <script type="text/babel"> /* 此处一定要写babel */
      
        // 1. 创建虚拟DOM
        const VDOM = <h1>Hello React</h1> // 此处一定不要写引号，因为它不是字符串
        // 2. 渲染虚拟DOM到页面
        ReactDOM.render(VDOM,document.getElementById('test'))
    </script>
</body>
</html>